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US2808085A Expired / Lapsed US ⏱️ 0.0 years remaining

Hand portable electric power unit

Assignee: Millers Falls Co
•
Filing: 1955-08-18
•
Granted: 1957-10-01
•
Expires: 1975-08-18
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Abstract

No abstract record available.

Inventors

  • 👤 Richard R Hollien
  • 👤 Eugene L Staiger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:43
CPC Classifications
B; B27; B27C; B27C9/00; B27C9/005; B23; B23D; B23D57/00; B23D57/0076; Y; Y10; Y10T; Y10T408/00; Y10T408/31; Y10T408/91

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1793053A Cited
US1808228A Cited
US2282728A Cited
US2645438A Cited
US2662562A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-09-30 1961-04-01 1961-10-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-09-30 1965-04-01 1965-10-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-09-30 1969-04-01 1969-10-01 $7700.00 Window Closed / Lapsed

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